Merge #2019

2019: Update Chinese translation r=mergify[bot] a=qy117121

Fix wrong text

## What type of PR?

(Feature, enhancement, bug-fix, documentation)

## What does this PR do?

### Related issue(s)
- Mention an issue like: #001
- Auto close an issue like: closes #001

## Prerequisites
Before we can consider review and merge, please make sure the following list is done and checked.
If an entry in not applicable, you can check it or remove it from the list.

- [ ] In case of feature or enhancement: documentation updated accordingly
- [ ] Unless it's docs or a minor change: add [changelog](https://mailu.io/master/contributors/workflow.html#changelog) entry file.


Co-authored-by: qy117121 <mixuan121@gmail.com>

core/admin/mailu/translations/zh/LC_MESSAGES/messages.po

@@ -321,7 +321,7 @@ msgstr "中继域"
 
 #: mailu/ui/templates/sidebar.html:59 mailu/ui/templates/user/settings.html:15
 msgid "Antispam"
-msgstr "发垃圾邮件"
+msgstr "反垃圾邮件"
 
 #: mailu/ui/templates/sidebar.html:66
 msgid "Mail domains"